Home / 264,815,509.80-396,986,874.30-103,219,861.80

Finding the Fourth Proportional to 264,815,509.80, 396,986,874.30 and 103,219,861.80

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Solution

The fourth proportional to 264,815,509.80, 396,986,874.30 and 103,219,861.80 is: 154,737,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,815,509.80 : 396,986,874.30 = 103,219,861.80 : x
  2. Step 2: Convert to fraction form
    264,815,509.80/396,986,874.30 = 103,219,861.80/x
  3. Step 3: Cross multiply
    264,815,509.80x = 396,986,874.30 × 103,219,861.80
  4. Step 4: Simplify right side
    264,815,509.80x = 40,976,930,301,659,968
  5. Step 5: Solve for x
    x = 40,976,930,301,659,968/264,815,509.80
  6. Step 6: Final answer
    x = 154,737,652.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.